Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://ggtraff.ru/123?keyword=new+runes+league+of+legends+guide In PDF document text

  • https://cdn-cms.f-static.net/uploads/4378378/normal_5f8a1b3523a30.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366623/normal_5f885a7ab19ce.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369916/normal_5f8a13d3a3fd9.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/4d5351fbb209c0.pdfIn PDF document text
  • https://baletepo.weebly.com/uploads/1/3/0/7/130776023/4049256.pdfIn PDF document text
  • https://tavumake.weebly.com/uploads/1/3/2/7/132740551/9382396.pdfIn PDF document text
  • https://tavumake.weebly.com/uploads/1/3/2/7/132740551/5441935.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366401/normal_5f8732aada519.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367925/normal_5f88687a31ab5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369191/normal_5f88a906bfc6d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376099/normal_5f899be0bae75.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365591/normal_5f86ff7e1f0e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366367/normal_5f892d1991d71.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366661/normal_5f88d0bb70504.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367903/normal_5f88bc9e37e6b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369343/normal_5f891b0553776.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/b7f2740b-4f5e-47a1-89e5-eb73aa9c4b0d/54306331154.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/78f1f3e8-b27b-4979-b5e9-bc2b2e42c260/finulivepaninojukan.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c098ad2a-8a52-4d1c-87c5-90374a5c234b/nagutasutimowexog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb707dd9-3a64-47cf-a9cf-de23bdfb8dc2/60288057931.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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